import router from './router'
import store from './store'
import {
  Message
} from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import {
  getToken
} from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({
  showSpinner: false
}) // NProgress Configuration

const whiteList = ['/login'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({
        path: '/'
      })
      NProgress.done()
    } else {
      //   const hasGetUserInfo = store.getters.name
      //   if (hasGetUserInfo) {
      //     next()
      //   } else {
      //     try {
      //       // get user info
      //       // await store.dispatch('user/getInfo')

      //       next()
      //     } catch (error) {
      //       // remove token and go to login page to re-login
      //       await store.dispatch('user/resetToken')
      //       Message.error(error || 'Has Error')
      //       next(`/login?redirect=${to.path}`)
      //       NProgress.done()
      //     }
      //   }
      // }
      const menu = store.getters.menu
      if (menu) {
        //有菜单
        next()
      } else {
        //没有菜单
        try {
          store.dispatch('user/getMenus').then(() => { //生成可访问的路由
            router.addRoutes(store.getters.menu)
            next({
              ...to,
              replace: true
            })
          })

        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
